Issue #8491: Add link to Gnu Readline configuration documentation
diff --git a/Doc/library/readline.rst b/Doc/library/readline.rst
index d7e7dc6..a0ed89e 100644
--- a/Doc/library/readline.rst
+++ b/Doc/library/readline.rst
@@ -27,6 +27,13 @@
you can check for the text "libedit" in :const:`readline.__doc__`
to differentiate between GNU readline and libedit.
+Readline keybindings may be configured via an initialization file, typically
+``.inputrc`` in your home directory. See `Readline Init File
+<https://cnswww.cns.cwru.edu/php/chet/readline/rluserman.html#SEC9>`_
+in the GNU Readline manual for information about the format and
+allowable constructs of that file, and the capabilities of the
+Readline library in general.
+
Init file
---------